TY - BOOK AU - Williams,Jeffrey TI - The economic function of futures markets SN - 0521265916 U1 - 332.644 19 PY - 1986/// CY - Cambridge [Cambridgeshire], New York PB - Cambridge University Press KW - Futures market KW - Commodity exchanges N1 - Based on the author's thesis (Ph. D.)--Yale University; Includes index; Bibliography: p. 247-256 ER -